3 papers
cs.LG2025
CLaP -- State Detection from Time Series
Arik Ermshaus, Patrick Schäfer, Ulf Leser
The ever-growing amount of sensor data from machines, smart devices, and the environment leads to an abundance of high-resolution, unannotated time series (TS). These recordings en…
cs.DB2024
Fast and Exact Similarity Search in less than a Blink of an Eye
Patrick Schäfer, Jakob Brand, Ulf Leser +2
Similarity search is a fundamental operation for analyzing data series (DS), which are ordered sequences of real values. To enhance efficiency, summarization techniques are employe…
cs.LG2024
Discovering Leitmotifs in Multidimensional Time Series
Patrick Schäfer, Ulf Leser
A leitmotif is a recurring theme in literature, movies or music that carries symbolic significance for the piece it is contained in. When this piece can be represented as a multi-d…